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Vishay MB4M-E3/45 — Discrete Semiconductors
Vishay

MB4M-E3/45 Bridge Rectifier, 400 V, 500 mA, 4-DIP, Active

MPNMB4M-E3/45
End of Life

Vishay MB4M-/45, single-phase bridge rectifier, 400 V peak reverse voltage, 500 mA average rectified current, through-hole 4-DIP (0.200", 5.08 mm) package, -55°C to 150°C junction temperature, ROHS3 compliant, active production.

$0.69Ref. price · indicative, final on quote
MB4M-E3/45 datasheet
Packaging4-DIP (0.200", 5.08mm)
StockContact for availability
MOQ1 pcs
  • 100% new & originalTraceable channels only — no refurbs, no pulls, no remarked parts.
  • Date & lot codes on quoteStated per line before you commit; label photos on request.
  • MSL-compliant ESD packingMoisture-sealed bags with indicator cards; reels photo-verified.
  • PayPal buyer protectionPay by T/T, PayPal or Payoneer — card payments covered end to end.

Specifications

MB4M-E3/45 Technical Specifications
ParameterValue
Diode typeSingle Phase
Mounting typeThrough Hole
Voltage - peak reverse400 V
Voltage - forward (Vf) (Max) @ if1 V @ 400 mA
Current - reverse leakage @ vr5 µA @ 400 V
Current - average rectified500 mA
Operating temperature-55°C ~ 150°C (TJ)
PackageTube
TechnologyStandard
Case4-DIP (0.200\", 5.08mm)

Product details

400 V PRV bridge for low-power AC-to-DC rails

The MB4M-E3/45: The MB4M-/45: The Vishay MB4M-/45 is a single-phase bridge rectifier in a through-hole 4-DIP package, rated for 400 V peak reverse voltage and 500 mA average rectified output current. It converts AC mains to a pulsed DC rail for low-power supplies, relay coils, and sensor bias circuits.

What the 400 V PRV and 500 mA Io mean for the BOM

The 400 V peak reverse voltage provides headroom for nominal mains voltages. The 500 mA average rectified current covers loads such as relay coils and small fan supplies. Forward voltage is 1 V maximum at 400 mA — conduction loss at full load is about 0.5 W total across the four diodes, which the 4-DIP package can dissipate without a heatsink in still air at 25 °C ambient.

Active production — no LTB clock ticking

For BOM planning, this means no near-term obsolescence risk for a production run.

Frequently asked questions

What is the MB4M-/45's diode type and package?

It is a single-phase bridge rectifier in a through-hole 4-DIP (0.200", 5.08 mm) package, supplied in Tube form.